Apparatus for winding bobbins in fly-frames for subsequent liquid treatment of such bobbins



J. BRANDWOOD APPARATUS FOR WINDING BOBBINS IN FLY-FRAMES FOR SUBSEQUENT LIQUID TREATMENT OF SUCH BOBBINS Qct. 8, 1940. 1

Filed June 30, 1937 [22 van/02' B #16 1mm Patented Oct. 8, 1940 UNITED STATES APPARATUS FOR WINDING BOBBINS IN FLY-FRAMES F'OR SUBSEQUENT LIQUID f TREATMENT OF SUCH ROBBINS John Brandwood, Birkdale, Southport England Application June 30, 1937, Serial No. 151,675 In Great Britain July 4, 1936 1 Claim.

Various propositions have been put forward from time to time for the dyeing and other liquid treatment under differential pressure of textile fibres, such as cotton fibres, in the slightly twisted and wound condition as they come from fiy-frames such as slubbing or roving frames, that is to say before they reach the yarn or thread condition. One of such proposals which saves the rewinding of a sliver or roving as prepared in the fiy-frame upon a perforated metal tubular holder for the liquid treatment of same, is the use of a metal perforated bobbin in the frame instead of the usual imperforate wooden bobbin, but these perforated metal bobbins are expensive and are moreover liable to damage in actual use, necessitating replacements.

The present invention contemplates a very simple, safe, rapid and economical apparatus by the use of which fly-frame preparations as they come from the frame-and which preparations will be referred to in the following description as rovings-may be prepared for dyeing or otherwise treating with liquids without rewinding and without the necessity of using these expensive perforated metal bobbins; indeed without the use of perforated bobbins of any kind. To this end the invention consists in apparatusfor preparing the roving in the frame for winding the same upon an imperforate tubular holder therein which holder is easily separable from the. roving wound thereupon.

The above presents many advantages. No change need be made in the fiy-frames; the usual wooden bobbin may be placed upon each usual spindle, upon which wooden bobbin the tubular holder referred to above may be placed and removed with the wound roving package. n separation of the tubular holder and the said wound roving package, leaving a clear central bore in the latter, it may be fitted upon a known form of perforated metal tube for treatment thereon in a treatment machine by differential pressure of the treatment liquid, this perforated metal tube being of such sufiiciently lesser diameter than the said bore as to allow of easy fitting and removal. This, in addition to prevention of damage to the windings of the roving, presents the advantage that, the fibres being in a free condition, liquid treatment is more even and rapid. It is known that due to the nature of a roving or the like, the wound package on its holder presents areas of unequal resistance to any liquid treatment under liquid pressure, and the removal of the package from the holder on which it has been wound softens and equalizes the said package. The tubular holder may be of stiif paper formed as known in the textile arts by taking a paper blank and winding it upon itself to the desired thickness with usual adhesives and stiffening means; and the further hold- 5 er employed after the treatment may be of the same character. As these tubes are not by this invention at any time subjected to liquids or other deleterious conditions, they will last practically indefinitely. Further, as the first tubular holders upon which the rovings are wound can be returned from the treatment process to the spinning mill and the further holder returned after the roving hasbeen unwound therefrom, to the dyehouse or other place where the treatment is carried out, no loss is sustained.

The invention will now be described by way of example, as applied to the preparation and dyeing of a single roving, it being understood that large batches of such rovings may be prepared and treated at one time in a single dyeing machine. In the description, reference will be had to the drawing annexed, wherein Figure 1 is a view of apparatus employed for the preparation and winding of the roving, and Figure 2' shows the same in position ready for dyeing. It will be understood that figures show only such parts as are concerned in the description of the invention: as to Figure 1 the rovingframe is as usual with the usual appurtenances, rollers, and

means for driving a plurality of bobbins, with the required lift; as to Figure 2 a known form of perforated metal tube fitted into a plate, and which plate is adapted to seat upon a seating in known manner in a dyeing machine, is shown, 85

the showing of the connection between the tube and plate being merely diagrammatical.

In Figure 1 is shown a usual wooden bobbin 3 as ordinarily employed in a roving or other fiyframe with the usual smooth surface of such a bobbin, and this bobbin has the shoulder 4 recessed as usual to fit upon the usual driving pins. The usual spindle upon which the bobbin fits is not shown. Around this bobbin are fitted three rings 5 of resilient rubber, and at the lower end thereof and resting upon the shoulder 4 is a further and thicker ring 6 of rubber. The ringsi and 6 are merely clasped around the bobbin 3. Upon the bobbin 3 is passed-the cylindrical paper tube 1 having a smooth inner surface the lower extremity of which tube rests upon the ringfi. The rings 5 are found excellent for their purpose as holding and distance rings, as whilst they do not present any appreciable resistance to the relative movement of tube 1 and bobbin 3 when the former is to be removed the frictional grip between the said tube and the said bobbin. considered radially of the same, is such that there is no danger of relative angular movement of the parts under the usual bobbin drive. The exterior face of the paper tube I is highly polished and there is employed as a cover therefor a sleeve 8 of fabric, very suitably the permeable fabric known as stockinette, which may be easily slid upon the tube 1 due to the polished nature of the exterior of the latter.

In the preparation of the roving the tube I is fitted over the rings 5 and assumes the position shown in Figure 1. The stockinette sleeve 8 is then passed over it, and the building up of the roving package, the outline of which is shown in broken lines a: in the figures, proceeds upon the tube and sleeve foundation. This being completed, the tube 1 with sleeve 8 and the roving wound thereupon are lifted from the bobbin; another tube is fitted in position with a further sleeve 8, and the preparation of another roving package proceeds without delay.

The prepared roving on its sleeve 8 and the tube I as a central holder are thus ready as a single unit, for transport or handling. When the dyeing is to be eflected the tube 1 is easily slipped from the roving package itself, leaving the sleeve 8 within the now clear central bore of the latter. The roving package and the sleeve are then placed upon the perforated metal tube 8 fitted in the metal plate I 8 see Figure 2, and which plate Ill and tube 8 are of known character as already stated to fit upon a seating in a dyeing machine, with any known means of securing it in position. The tube 8 may be simply adapted to receive one roving package, or a plurality of these; in either casesthe lower edge of the holder I may be conveniently placed upon the upper edge of the perforated tube 9, and the roving and sleeve 8 slipped down upon the said perforated tube. Dye liquor may then be passed through the perforated tube 8, the permeable sleeve 8, and the roving windings radially outwardly under differential pressure bymeans of a usual pump, the flow being then reversed and taking place radially inwardly through these parts, as long as necessary. As already stated the diameter of the perforated metal tube 8 is such that the roving package slips easily upon it,.

the fibres being thus in a freer-condition, with better and more rapid dyeing. Compression by liquid pressure of the fibrous mass against the tube, which would take place if the roving had been wound thereupon, as in the case earlier referred to of winding upon a perforated metal tube, with undesired consolidation and resultant uneven resistance to the penetration of the dye liquora well-known cause of patchy dyeing-4s avoided.

The roving may after the dyeing treatment be subject to the action of vacuum or of compressed air passed therethrough radially for extraction of excess liquor, orthe oxidising of the colour thereupon where the nature of the latter renders that step necessary. Further, as will be understood, any washing step, with passage of heated air under pressure, may be effected whilst the roving is in position upon the tube 9. Drying mayhowever be effected later.

On the treatment step or treatment steps upon the perforated tube 9 being finished, the roving .1: with its sleeve 8 is lifted therefrom and a further paper tube, of similar character to the first upon which the roving was wound, is passed into the central bore, the sleeve 8 allowing of this being eifected without disturbing the fragile windings of the roving. This second holder as will be understood is of a selected externalv diameter to permit of this. The complete treated roving is then ready to pass to the next step in the processing of the fibres for the preparation of textile yarns; for example, in the case of a roving, to the spinning frame; if a slubbing, to an intermediate or roving frame.

It will be understood that the details given in the foregoing description may be varied within the scope of the appended claim.

I claim: I

In operative combination as means for preparing a wound package of textile fibres in a flyframe, a driven fly-frame bobbin having a smooth cylindrical surface, a tubular holder having smooth outer and inner surfaces, such holder being removably fitted over such bobbin and spaced equally therefrom throughout its length, a plurality of rubber rings freely held upon the surface of the bobbin and movable longitudinally of the same, such rings serving as drive-transmission means from the bobbin to the holder by frictional contact with the smooth inner surface of the latter, and a sleeve of permeable textile fabric removably fitted upon the holder and serving as winding surface.

JOHN BRANDWOOD. 

